package org.iocn.core.tags;

import javax.servlet.jsp.tagext.TagSupport;

/**
 * Oxidy JSP页面标签基类
 * @author Oxidy
 * @version 0.1，20100603
 *
 */
public class BaseTagSupport extends TagSupport {
    private static final long serialVersionUID = -2892473516848675515L;
    
    public void release(){
        super.release();
    }
    /**
     * 判断字符是否为NULL，是NULL则返回""
     * @param str
     * @return
     */
    public static String isNullToEmpty(String str){
        if (str == null) {
            return "";
        }else {
            return str;    
        }
    }
}
